Brian Mishler on .Net

Brian Mishler on .Net http://mishler.net/ en-us Brian Mishler Fri, 28 Mar 2008 11:53:23 GMT newtelligence dasBlog 1.8.5223.2 bmishler@qualitydata.com bmishler@qualitydata.com http://mishler.net/Trackback.aspx?guid=3ec27b0e-2923-4c8d-b15b-691e9a0f5133 http://mishler.net/pingback.aspx http://mishler.net/PermaLink,guid,3ec27b0e-2923-4c8d-b15b-691e9a0f5133.aspx http://mishler.net/CommentView,guid,3ec27b0e-2923-4c8d-b15b-691e9a0f5133.aspx http://mishler.net/SyndicationService.asmx/GetEntryCommentsRss?guid=3ec27b0e-2923-4c8d-b15b-691e9a0f5133 This is a test http://mishler.net/PermaLink,guid,3ec27b0e-2923-4c8d-b15b-691e9a0f5133.aspx http://mishler.net/2008/03/28/This+Is+A+Test.aspx Fri, 28 Mar 2008 11:53:23 GMT <div class=Section1> <p class=MsoNormal> <span style='color:#1F497D'>Here is a test of the system<o:p></o:p> </span> </p> <p class=MsoNormal> <span style='color:#1F497D'> <o:p> </o:p> </span> </p> <p class=MsoNormal> <span style='color:#1F497D'><img width=83 height=83 id="Picture x0020 1" src="http://mishler.net/content/binary/image001.png"></span><span style='color:#1F497D'> <o:p></o:p> </span> </p> <p class=MsoNormal> <span style='color:#1F497D'> <o:p> </o:p> </span> </p> <p class=MsoNormal> <span style='color:#1F497D'>Should have image and attachment<o:p></o:p> </span> </p> <p class=MsoNormal> <span style='color:#1F497D'> <o:p> </o:p> </span> </p> <p class=MsoNormal> <span style='color:#1F497D'>Brian Mishler, Product Manager<o:p></o:p> </span> </p> <p class=MsoNormal> <b><i><span style='font-size:18.0pt;color:#1F497D'>Quality Data, Inc.<o:p></o:p> </span></i></b> </p> <p class=MsoNormal> <o:p> </o:p> </p> </div> <p> Download: <a href="http://mishler.net/content/binary/test.docx">test.docx</a> <br> </p> <img width="0" height="0" src="http://mishler.net/aggbug.ashx?id=3ec27b0e-2923-4c8d-b15b-691e9a0f5133" /> <br /> <hr /> This weblog is sponsored by <a href="http://www.qualitydata.com">Quality Data, Inc.</a>. http://mishler.net/CommentView,guid,3ec27b0e-2923-4c8d-b15b-691e9a0f5133.aspx http://mishler.net/Trackback.aspx?guid=28ae2bcd-5ef7-4c12-bd73-06b7d6b77158 http://mishler.net/pingback.aspx http://mishler.net/PermaLink,guid,28ae2bcd-5ef7-4c12-bd73-06b7d6b77158.aspx bmishler@qualitydata.net (Brian Mishler) http://mishler.net/CommentView,guid,28ae2bcd-5ef7-4c12-bd73-06b7d6b77158.aspx http://mishler.net/SyndicationService.asmx/GetEntryCommentsRss?guid=28ae2bcd-5ef7-4c12-bd73-06b7d6b77158 2 How to implement a Custom Provider in a WinForms Application http://mishler.net/PermaLink,guid,28ae2bcd-5ef7-4c12-bd73-06b7d6b77158.aspx http://mishler.net/2007/02/04/How+To+Implement+A+Custom+Provider+In+A+WinForms+Application.aspx Sun, 04 Feb 2007 03:51:37 GMT <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New">Since we always see the “Provider Model” used in the context of Asp.Net applications (Membership Provider, Roles Provider, Etc.) we often think of this as something that is available only in the Asp.Net world.<span style="mso-spacerun: yes">  </span>It was recently mentioned to me that there are no good source code examples for custom providers in the Winforms space and that the Asp.Net examples utilize the System.Web.Configuration.ProvidersHelper class to instantiate the provider.<span style="mso-spacerun: yes">  </span><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> <o:p></o:p> </font></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New">While there are several other blogs that talk about bits and pieces of this subject, I thought I might create a start-to-finish Windows Forms Application that illustrates how one can effectively use the provider model.<span style="mso-spacerun: yes">  </span>I wrote the solution in Vb.Net and have included it in the attached zip file.<o:p></o:p> </font></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New">Advance disclaimer: When I started into this, I thought to myself “of course you can do this without any of the System.Web classes” and, in fact, you totally can with just a little bit more work than I put into this. I cheated a bit by dropping in a reference to System.Web in order to gain access to System.Web.Configuration.ProvidersHelper to deserialize my provider elements, but this is only because I am lazy and was copying code from another project. That class is doing nothing fancier than standard deserialization of XML into an instance of a class.<span style="mso-spacerun: yes">  </span>Besides: Who says you can’t reference System.web from a Winforms app?<o:p></o:p> </font></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New">So, consider this scenario:<o:p></o:p> </font></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <blockquote dir=ltr style="MARGIN-RIGHT: 0px"> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New">You develop a Winforms Application and have some standard functionality, business rules, etc. For example, your application calls a method that returns a standard report. Knowing that down the road, each one of your customers is going to want to change the way that report works, you decide to build the reporting class using the provider model.<span style="mso-spacerun: yes">  </span>This way, you can later build a custom DLL that implements the same interface as the reporting class (but with unique functionality) and can be installed by simply copying the DLL to the application folder and then making a change to the application configuration file (myapp.exe.config.)<span style="mso-spacerun: yes">  </span>Every customer can get his/her own unique reporting DLL and the main application never needs to be modified.<o:p></o:p> </font></font> </p> </blockquote> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New"><strong>In a nutshell, this is how you do it for an existing class:<o:p></o:p> </strong></font></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New">Step 1: Create a base “mustInherit” class which has the methods (but no code implementation) of your current class. In the COM world, this is analogous to an Interface.<span style="mso-spacerun: yes">  </span>Now, modify your class to inherit from this new base class.<o:p></o:p> </font></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New">Step 2: Create classes that will be used to deserialize information in your app.exe.config.<span style="mso-spacerun: yes">  </span>These will derive from classes in the System.Configuration namespace and will include one for your configuration section, one for a collection of provider settings and one for the provider settings itself.<span style="mso-spacerun: yes">  </span>Doing this will result in a strongly typed system for referring to your list of configured providers and their respective settings at runtime.<o:p></o:p> </font></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face="Courier New">Step 3: Modify your main application so that rather than instantiating that existing class as you might have done before, you instead ask the configuration manager to use the information in yourapp.exe.config to load up your custom section and give you back an instance of the provider which has been dubbed as “the one to use.”<o:p></o:p> </font></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <o:p> <font face="Courier New" color=#000000> </font> </o:p> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <font color=#000000><font face=Calibri size=3><font face="Courier New" size=2>To illustrate this process, I have whipped up a very simple base provider “MyProviderBase” that exposes a single method:</font> “</font><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">GetProviderSpecificMessage()”. I then have two separate implementations: “MyFirstProvider” and “MySecondProvider”, each of which handles GetProviderSpecificMessage() in its own way.<span style="mso-spacerun: yes">  </span>(While all of this is pretty basic stuff, the interesting part is where you enable selective usage of one or the other implementations through settings in the configuration file.) A tiny winform application, consisting of a button on a form does nothing more than load the appropriate provider and call its “GetProviderSpecificMessage” method.<o:p></o:p> </span></font> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>With the configuration file set up to use the first provider, the output is as shown in the following message box. (Notice that defaultProvider=”MyFirstProvider” in the application configuration file shown below.) <o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /> <v:shapetype id=_x0000_t75 stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"> <v:stroke joinstyle="miter"></v:stroke> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"></v:f> <v:f eqn="sum @0 1 0"></v:f> <v:f eqn="sum 0 0 @1"></v:f> <v:f eqn="prod @2 1 2"></v:f> <v:f eqn="prod @3 21600 pixelWidth"></v:f> <v:f eqn="prod @3 21600 pixelHeight"></v:f> <v:f eqn="sum @0 0 1"></v:f> <v:f eqn="prod @6 1 2"></v:f> <v:f eqn="prod @7 21600 pixelWidth"></v:f> <v:f eqn="sum @8 21600 0"></v:f> <v:f eqn="prod @7 21600 pixelHeight"></v:f> <v:f eqn="sum @10 21600 0"></v:f> </v:formulas> <v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path> <o:lock aspectratio="t" v:ext="edit"></o:lock> </v:shapetype> <o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000><img src="http://mishler.net/content/binary/WinProvider1.jpg" border=0> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><em>Big note: In your solution, the file called app.config will be deployed as yourapplicationname.exe.config when you build.<span style="mso-spacerun: yes">  </span>When you distribute the application, just drop this config file into the same folder as the exe.<o:p></o:p> </em></font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>Now, do nothing more than change the configuration file to set defaultProvider=”MySecondProvider” and you get a totally different result when you run the program.<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000><img src="http://mishler.net/content/binary/WinProvider2.jpg" border=0> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>For a top-down look at the implementation, I will first talk about the winForm app (which I wrote last) and then about the provider implementation.<span style="mso-spacerun: yes">  </span>As you can see, the solution is very basic.<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000><img src="http://mishler.net/content/binary/WinProvider3.jpg" border=0> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><strong>The WinForm Application:<o:p></o:p> </strong></font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>Start a new Winform project and drop in a button control. In the button’s click event, get the implemented provider, call its GetProviderSpecificMessage method, and display its result in a MessageBox.<span style="mso-spacerun: yes">  </span>Here is the code:<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">Imports</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000> QualityData<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">Imports</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000> System.Configuration<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">Imports</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000> System.Web.Configuration<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">Public</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000> </font><span style="COLOR: blue">Class</span><font color=#000000> Form1<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">Private</span><font color=#000000> </font><span style="COLOR: blue">Sub</span><font color=#000000> Button1_Click(</font><span style="COLOR: blue">ByVal</span><font color=#000000> sender </font><span style="COLOR: blue">As</span><font color=#000000> System.Object, </font><span style="COLOR: blue">ByVal</span><font color=#000000> e </font><span style="COLOR: blue">As</span><font color=#000000> System.EventArgs) </font><span style="COLOR: blue">Handles</span><font color=#000000> Button1.Click<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Dim</span><font color=#000000> provider </font><span style="COLOR: blue">As</span><font color=#000000> MyProviderBase = GetProvider()<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">Not</span><font color=#000000> IsNothing(provider) </font><span style="COLOR: blue">Then</span><font color=#000000> MsgBox(provider.GetProviderSpecificMessage)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Sub<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">Private</span><font color=#000000> </font><span style="COLOR: blue">Function</span><font color=#000000> GetProvider() </font><span style="COLOR: blue">As</span><font color=#000000> MyProviderBase<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: green">' get reference to configuration section for our provider<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Dim</span><font color=#000000> section </font><span style="COLOR: blue">As</span><font color=#000000> MyProviderSection = </font><span style="COLOR: blue">CType</span><font color=#000000>(ConfigurationManager.GetSection(</font><span style="COLOR: #a31515">"myProvider"</span><font color=#000000>), MyProviderSection)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">Not</span><font color=#000000> IsNothing(section) </font><span style="COLOR: blue">Then<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' load registered providers and get reference to default provider<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Dim</span><font color=#000000> providers </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">New</span><font color=#000000> MyProviderCollection<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><span style="mso-spacerun: yes">            </span>System.Web.Configuration.ProvidersHelper.InstantiateProviders(section.Providers, providers, </font><span style="COLOR: blue">GetType</span><font color=#000000>(MyProviderBase))<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Return</span><font color=#000000> </font><span style="COLOR: blue">CType</span><font color=#000000>(providers(section.DefaultProvider), MyProviderBase)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Else<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Return</span><font color=#000000> </font><span style="COLOR: blue">Nothing<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">If<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Function<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">End</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000> </font><span style="COLOR: blue">Class<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><em>Another big note: This is the place where I used the shared ProvidersHelper.InstantiateProviders method in the System.Web.Configuration namespace to walk through my section and instantiate each of the listed providers. I don’t know why Microsoft did not put the ProvidersHelper class into the System.Configuration assembly but it is really not such a big deal to have to get to it in System.Web. <span style="mso-spacerun: yes"> </span>If I get around to it, I might go for extra credit and write my own InstantiateProviders method by enumerating the elements and instantiating each provider based on its type.<o:p></o:p> </em></font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><strong>The Application .config file</strong></font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000></font></span>  </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>Here is the application’s config file (mine is called WinformProviderSample.exe.config.)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><?</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">xml</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> </span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">version</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">1.0</span><font color=#000000>"</font><span style="COLOR: blue"> </span><span style="COLOR: red">encoding</span><span style="COLOR: blue">=</span><font color=#000000>"</font><span style="COLOR: blue">utf-8</span><font color=#000000>"</font><span style="COLOR: blue"> ?><o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">configuration</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">  </span><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">  </span><</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">configSections</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">    </span><</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">section</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> </span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">name</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">myProvider</span><font color=#000000>"</font><span style="COLOR: blue"> </span><span style="COLOR: red">type</span><span style="COLOR: blue">=</span><font color=#000000>"</font><span style="COLOR: blue">QualityData.MyProviderSection,MyProvider</span><font color=#000000>"</font><span style="COLOR: blue">/><o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">  </span></</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">configSections</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">  </span><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">  </span><</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">myProvider</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> </span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">defaultProvider</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">MySecondProvider</span><font color=#000000>"</font><span style="COLOR: blue">><span style="mso-spacerun: yes">  </span><o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">    </span><</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">providers</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">      </span><</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">clear</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">/><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">      </span><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">      </span><</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">add</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> </span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">name</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">MyFirstProvider</span><font color=#000000>"</font><span style="COLOR: blue"> <o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">           </span></span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">type</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">QualityData.MyFirstProvider,MyProvider</span><font color=#000000>"</font><span style="COLOR: blue"> <o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">           </span></span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">TheCustomSetting</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">This is the first provider setting value in app.config</span><font color=#000000>"</font><span style="COLOR: blue"> /><o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">      </span><</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">add</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> </span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">name</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">MySecondProvider</span><font color=#000000>"</font><span style="COLOR: blue"> <o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">           </span></span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">type</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">QualityData.MySecondProvider,MyProvider</span><font color=#000000>"</font><span style="COLOR: blue"> <o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">           </span></span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">TheCustomSetting</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">This is the second provider's setting value in app.config</span><font color=#000000>"</font><span style="COLOR: blue"> <o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">           </span></span><span style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">TheExtraMessage</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">=</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>"</font><span style="COLOR: blue">..And here is some extra information to configure the second provider!!!!</span><font color=#000000>"</font><span style="COLOR: blue"> /><o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">    </span></</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">providers</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes">  </span></</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">myProvider</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">><o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"></</span><span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">configuration</span><span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">></span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p></o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>Notice that I have listed two providers: MyFirstProvider and MySecondProvider. As illustrated, the configuration file is set up to use the second.<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>Each of the provider elements has a name as well as a type attribute. The latter is structured as “ClassName,Assembly” where “ClassName” (QualityData.MyFirstProvider) is the fully qualified class name including the namespace and “Assembly” is the name of the assembly (MyProvider.dll) without the “.dll”.<span style="mso-spacerun: yes">  </span>You can tell that both classes are contained in the same assembly in this example.<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>Notice also that each provider section can have its own set of attributes. In “MySecondProvider”, for example, the attribute “TheExtraMessage” is optionally used to pass in extra configuration information that may be used by this particular implementation.<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>Hopefully you will agree that this is a fairly convenient and simple deployment story.<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000></font></span>  </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><strong>The Provider Classes</strong></font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000></font></span>  </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000>Now let’s talk about the provider. The project: MyProvider consists of several classes which I put into a single file for brevity.<span style="mso-spacerun: yes">  </span>Here is the code in its entirety:<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">Imports</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000> System.Configuration<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">Imports</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000> system.Configuration.Provider<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes">Namespace</span><span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000> QualityData<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' This is the base class that defines the required methods of any implementation<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">MustInherit</span><font color=#000000> </font><span style="COLOR: blue">Class</span><font color=#000000> MyProviderBase : </font><span style="COLOR: blue">Inherits</span><font color=#000000> ProviderBase<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: green">' For simplicity, we will have a single method that gets implemented <o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: green">' differently based on the chosen provider.<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">MustOverride</span><font color=#000000> </font><span style="COLOR: blue">Function</span><font color=#000000> GetProviderSpecificMessage() </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Class<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' The following two classes are "providers" that implement the base in different ways<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' Ordinarily, each of these two classes would be in its own DLL since much of the idea of the<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' Provider model is to be able to ship new behavior that can be "dropped in" without replacing<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' the rest of the application<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Class</span><font color=#000000> myFirstProvider : </font><span style="COLOR: blue">Inherits</span><font color=#000000> MyProviderBase<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Private</span><font color=#000000> _myUniqueMessage </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Overrides</span><font color=#000000> </font><span style="COLOR: blue">Sub</span><font color=#000000> Initialize(</font><span style="COLOR: blue">ByVal</span><font color=#000000> name </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>, </font><span style="COLOR: blue">ByVal</span><font color=#000000> config </font><span style="COLOR: blue">As</span><font color=#000000> System.Collections.Specialized.NameValueCollection)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' Override the method of Configuration.Provider.ProviderBase<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: green; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' default provider name if missing<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>.IsNullOrEmpty(name) </font><span style="COLOR: blue">Then</span><font color=#000000> name = </font><span style="COLOR: #a31515">"MyFirstProvider"<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' initialize base and get custom settings<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">Not</span><font color=#000000> IsNothing(config) </font><span style="COLOR: blue">Then<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: blue">MyBase</span><font color=#000000>.Initialize(name, config)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: green">' get the setting from config file<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><span style="mso-spacerun: yes">                </span>_myUniqueMessage = config(</font><span style="COLOR: #a31515">"TheCustomSetting"</span><font color=#000000>)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">If<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' default setting to something uniquely from this provider<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>.IsNullOrEmpty(_myUniqueMessage) </font><span style="COLOR: blue">Then</span><font color=#000000> _myUniqueMessage =</font><span style="COLOR: #a31515"> "FIRST PROVIDER WAS HERE!!"<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Sub<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Overrides</span><font color=#000000> </font><span style="COLOR: blue">Function</span><font color=#000000> GetProviderSpecificMessage() </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' return string that has provider-specific prefix as well as data from config<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Return</span><font color=#000000> </font><span style="COLOR: #a31515">"The First Provider says: "</span><font color=#000000> & _myUniqueMessage<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Function<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Class<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Class</span><font color=#000000> mySecondProvider : </font><span style="COLOR: blue">Inherits</span><font color=#000000> MyProviderBase<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Private</span><font color=#000000> _myUniqueMessage </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Private</span><font color=#000000> _anExtraMessage </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Overrides</span><font color=#000000> </font><span style="COLOR: blue">Sub</span><font color=#000000> Initialize(</font><span style="COLOR: blue">ByVal</span><font color=#000000> name </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>, </font><span style="COLOR: blue">ByVal</span><font color=#000000> config </font><span style="COLOR: blue">As</span><font color=#000000> System.Collections.Specialized.NameValueCollection)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' Override the method of Configuration.Provider.ProviderBase<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: green; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' default provider name if missing<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>.IsNullOrEmpty(name) </font><span style="COLOR: blue">Then</span><font color=#000000> name = </font><span style="COLOR: #a31515">"MySecondProvider"<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' initialize base and get custom settings<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">Not</span><font color=#000000> IsNothing(config) </font><span style="COLOR: blue">Then<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: blue">MyBase</span><font color=#000000>.Initialize(name, config)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: green">' get the setting from config file<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><span style="mso-spacerun: yes">                </span>_myUniqueMessage = config(</font><span style="COLOR: #a31515">"TheCustomSetting"</span><font color=#000000>)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: green">' this second provider can have its own extra settings<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><span style="mso-spacerun: yes">                </span>_anExtraMessage = config(</font><span style="COLOR: #a31515">"TheExtraMessage"</span><font color=#000000>)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">If<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' default setting to something uniquely from this provider<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>.IsNullOrEmpty(_myUniqueMessage) </font><span style="COLOR: blue">Then</span><font color=#000000> _myUniqueMessage = </font><span style="COLOR: #a31515">"#2 PROVIDER WAS HERE!!"<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: #a31515; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Sub<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Overrides</span><font color=#000000> </font><span style="COLOR: blue">Function</span><font color=#000000> GetProviderSpecificMessage() </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' build up a return string that is specialized for this provider<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Dim</span><font color=#000000> sb </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">New</span><font color=#000000> System.Text.StringBuilder<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><span style="mso-spacerun: yes">            </span>sb.Append(</font><span style="COLOR: #a31515">"The Second provider does it differently: "</span><font color=#000000>)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><span style="mso-spacerun: yes">            </span>sb.Append(_myUniqueMessage)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">Not</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>.IsNullOrEmpty(_anExtraMessage) </font><span style="COLOR: blue">Then</span><font color=#000000> sb.Append(</font><span style="COLOR: #a31515">" "</span><font color=#000000> & _anExtraMessage)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Return</span><font color=#000000> sb.ToString<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Function<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Class<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' We will be swapping out providers through simple changes to the app's .config file<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' This can go quite deep to give you a lot more control but here are the basics:<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' 1) MyProviderSection, defines a configuration section for app.config<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' 2) MyProviderCollection, defines the collection of providers listed within our section of .config<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: green; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: green; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' This class lets the configuration manager create a strongly-typed instance of our<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' section based on the information listed in the application's .config file.<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: green; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Class</span><font color=#000000> MyProviderSection : </font><span style="COLOR: blue">Inherits</span><font color=#000000> ConfigurationSection<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><span style="mso-spacerun: yes">        </span><ConfigurationProperty(</font><span style="COLOR: #a31515">"providers"</span><font color=#000000>)> _<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">ReadOnly</span><font color=#000000> </font><span style="COLOR: blue">Property</span><font color=#000000> Providers() </font><span style="COLOR: blue">As</span><font color=#000000> ProviderSettingsCollection<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Get<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: blue">Return</span><font color=#000000> </font><span style="COLOR: blue">CType</span><font color=#000000>(</font><span style="COLOR: blue">Me</span><font color=#000000>(</font><span style="COLOR: #a31515">"providers"</span><font color=#000000>), ProviderSettingsCollection)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Get<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Property<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><font color=#000000><span style="mso-spacerun: yes">        </span><StringValidator(minLength:=1), ConfigurationProperty(</font><span style="COLOR: #a31515">"defaultProvider"</span><font color=#000000>, defaultvalue:=</font><span style="COLOR: #a31515">"MyFirstProvider"</span><font color=#000000>)> _<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Property</span><font color=#000000> DefaultProvider() </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Get<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: blue">Return</span><font color=#000000> </font><span style="COLOR: blue">CStr</span><font color=#000000>(</font><span style="COLOR: blue">Me</span><font color=#000000>(</font><span style="COLOR: #a31515">"defaultProvider"</span><font color=#000000>))<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Get<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Set</span><font color=#000000>(</font><span style="COLOR: blue">ByVal</span><font color=#000000> value </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: blue">Me</span><font color=#000000>(</font><span style="COLOR: #a31515">"defaultProvider"</span><font color=#000000>) = value<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Set<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Property<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Class<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' This class lets the configuration manager create a strongly-typed collection of<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: green">' providers based on the information listed within the section for our custom provider.<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>    </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Class</span><font color=#000000> MyProviderCollection : </font><span style="COLOR: blue">Inherits</span><font color=#000000> ProviderCollection<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">ReadOnly</span><font color=#000000> </font><span style="COLOR: blue">Property</span><font color=#000000> MyProviderBase(</font><span style="COLOR: blue">ByVal</span><font color=#000000> name </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">String</span><font color=#000000>) </font><span style="COLOR: blue">As</span><font color=#000000> MyProviderBase<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">Get<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: blue">Dim</span><font color=#000000> o </font><span style="COLOR: blue">As</span><font color=#000000> </font><span style="COLOR: blue">Object</span><font color=#000000> = </font><span style="COLOR: blue">Me</span><font color=#000000>(name)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>                </font></span><span style="COLOR: blue">If</span><font color=#000000> o </font><span style="COLOR: blue">IsNot</span><font color=#000000> </font><span style="COLOR: blue">Nothing</span><font color=#000000> </font><span style="COLOR: blue">Then</span><font color=#000000> </font><span style="COLOR: blue">Return</span><font color=#000000> </font><span style="COLOR: blue">CType</span><font color=#000000>(o, MyProviderBase) </font><span style="COLOR: blue">Else</span><font color=#000000> </font><span style="COLOR: blue">Return</span><font color=#000000> </font><span style="COLOR: blue">Nothing<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> </o:p> </span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Get<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">End</span><font color=#000000> </font><span style="COLOR: blue">Property<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>        </font></span><span style="COLOR: blue">Public</span><font color=#000000> </font><span style="COLOR: blue">Overrides</span><font color=#000000> </font><span style="COLOR: blue">Sub</span><font color=#000000> Add(</font><span style="COLOR: blue">ByVal</span><font color=#000000> provider </font><span style="COLOR: blue">As</span><font color=#000000> System.Configuration.Provider.ProviderBase)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: green">' check for valid type (ie, make sure the listed provider inherits from our base)<o:p></o:p> </span></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> IsNothing(provider) </font><span style="COLOR: blue">Then</span><font color=#000000> </font><span style="COLOR: blue">Throw</span><font color=#000000> </font><span style="COLOR: blue">New</span><font color=#000000> ArgumentNullException(</font><span style="COLOR: #a31515">"provider"</span><font color=#000000>)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"><span style="mso-spacerun: yes"><font color=#000000>            </font></span><span style="COLOR: blue">If</span><font color=#000000> </font><span style="COLOR: blue">Not</span><font color=#000000> </font><span style="COLOR: blue">TypeOf</span><font color=#000000> provider </font><span style="COLOR: blue">Is</span><font color=#000000> MyProviderBase </font><span style="COLOR: blue">Then</span><font color=#000000> </font><span style="COLOR: blue">Throw</span><font color=#000000> </font><span style="COLOR: blue">New</span><font color=#000000> ArgumentException(</font><span style="COLOR: #a31515">"Invalid provider type"</span><font color=#000000>, </font><span style="COLOR: #a31515">"provider"</span><font color=#000000>)<o:p></o:p> </font></span> </p> <p class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-layout-grid-align: none"> <span style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-no-proof: yes"> <o:p> <font color=#000000> </font&g